... customized 2,Good wear resistant 3,With many stock Polyamide Stick(Natural Color) colordiameterlengthnatural black and white0.5mm-400mm1000mmPA ... DescriptionPA also called nylon and polyamide.It is the most widely used engineering plastic in ... acid or touch overmuch acid.PA Applications 1,bearing pad2,bush3,impeller4,slider5,wheels6,auto parts Polyamide Stick(Natural Color)